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红宝石每个索引

代码示例

6
0

红宝石每个索引 

colors = ['red', 'green', 'blue']
colors.each_with_index do |item, index|
	p "#{index}:#{item}" 
end

"0:red"
"1:green"
"2:blue"
0
0

ruby循环每个都有索引 

X.each_with_index do |item, index|
  puts "current_index: #{index}"
end

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红宝石每个索引

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